Messages in this thread | | | Date | Sun, 22 Apr 2012 08:47:24 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [RFC]Is usb port number fixed? |
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On Sun, 22 Apr 2012, Anil Nair wrote:
> The port number comes from root hub managed by the host controller. Its > fixed dynamically during enumeration, and can change. > Please correct me if i am wrong.
You are indeed wrong. Port numbers are not fixed dynamically and they cannot change.
On the other hand, bus numbers _are_ assigned dynamically and they can (and do) change.
Alan Stern
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